package chaoyi.kuo.iching

/**
 * 二儀生四象
 * @author ChaoYi, Kuo
 * My Mail: Kuo.ChaoYi@gmail.com
 * 
 * @see http://sites.google.com/site/ichingorg/
 */
trait FourSymbol extends Taiji {
    
    val oldYang: List[Boolean] = yangValue::yangValue::Nil
    val youngYin = yinValue::yangValue::Nil
    
    val oldYin: List[Boolean] = List[Boolean](yinValue, yinValue)
    val youngYang = List[Boolean](yangValue, yinValue)
     
}